How Can You Identify a Nucleophile Without a Charge?

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To identify a nucleophile without a charge, look for molecules with one or more lone pairs of electrons, as these can be donated to an electrophile. While negative ions are generally more potent nucleophiles, neutral molecules with lone pairs can also act as nucleophiles. Strong nucleophiles are typically smaller atoms, enhancing their reactivity. The presence of lone pairs is the key factor in determining nucleophilic potential. Understanding these characteristics is essential for predicting nucleophilic behavior in chemical reactions.
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If there is no negative charge and no formal charge on a compound how do you identify a nucleophile?
 
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All molecules or ions that have a lone (free) pair of electrons can act as nucleophiles, however negative ions (anions) are more potent than neutral reagents. Also strong nucleophiles tend to be smaller atoms.

In other words the answer to your question is look for one or more lone pairs of electrons which may be donated to a electrophile, this will identify molecules with the potential to be nucleophiles.
 

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